view sites/all/modules/bundle_inherit/bundle_inherit.install @ 4:ce11bbd8f642

added modules

<?php
/**
 * @file
 * Bundle Inherit module install file.
 */

/**
 * Implements hook_schema().
 */
function bundle_inherit_schema() {
  $schema['bundle_hierarchy'] = array(
    'description' => 'Holds info about hierarchy relations between entity types.',
    'fields' => array(
      'entity_type' => array(
        'description' => 'The entity type of the bundles.',
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
      ),
      'bundle' => array(
        'description' => 'Child bundle name.',
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
      ),
      'bundle_parent' => array(
        'description' => 'Parent bundle name.',
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
      ),
    ),
    'primary key' => array('entity_type', 'bundle'),
    'indexes' => array(
      'parent' => array('entity_type', 'bundle_parent'),
    ),
  );


  return $schema;
}


/**
 * Implements hook_uninstall().
 *
 * We should remove 'locked' state from all inherited fields instances.
 *
 * @todo
 *   Maybe some better way to implement this function exists (talking about
 *   performance). But anyway we are getting info about instances from cache
 *   so I think that this implementation is more stable and logicaly loocking.
 */
function bundle_inherit_uninstall() {
  $records = db_select('bundle_hierarchy', 'bh')
    ->fields('bh')
    ->execute();
  foreach ($records as $record) {
    $instances = field_info_instances($record->entity_type, $record->bundle_parent);
    foreach ($instances as $instance) {
      $inherited_instance = field_info_instance($record->entity_type, $instance['field_name'], $record->bundle);
      $inherited_instance['locked'] = FALSE;
      field_update_instance($inherited_instance);
    }
  }
}